Cooler



FIG. 1 is a perspective view of a cooler showing my new design.

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view of the cooler in an open state.

The features presented in broken lines represent unclaimed portions of the cooler and form no part of the claimed design. 

CLAIM The ornamental design for a cooler, as shown and described. 